Added phpvideotoolkit transcoder and updates to the preset ui

1 files changed, 473 insertions, 0 deletions

diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php
new file mode 100644
index 0000000..a0a2219
--- /dev/null
+++ b/libraries/phpvideotoolkit/adapters/ffmpeg-php/ffmpeg_movie.php
@@ -0,0 +1,473 @@
+<?php
+
+	/**
+	 * This is a pure php emulation of the PHP module FFmpeg-PHP.
+	 * NOTE: Please note whenever possible you should use ffmpeg-php as it is much more efficient than this pure PHP emulation.
+	 * @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
+	 * @package PHPVideoToolkit
+	 * @license BSD
+	 * @copyright Copyright (c) 2008 Oliver Lillie <http://www.buggedcom.co.uk>
+	 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
+	 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
+	 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
+	 * is furnished to do so, subject to the following conditions:  The above copyright notice and this permission notice shall be
+	 * included in all copies or substantial portions of the Software.
+	 *
+	 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+	 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+	 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+	 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+	 * @uses php-reader
+	 * 		- @link http://code.google.com/p/php-reader/
+	 * 		- @author Sven Vollbehr <svollbehr@gmail.com>
+	 *	  	- @license http://code.google.com/p/php-reader/wiki/License New BSD License
+	 * @see ffmpeg-php, 
+	 * 		- @link http://ffmpeg-php.sourceforge.net/
+	 * 		- @author Todd Kirby.
+	 * 		- all phpdoc documentation is lifted directly from the ffmpeg-php docs
+	 */
+	
+	if(!defined('DS'))
+	{
+		define('DS', DIRECTORY_SEPARATOR);
+	}
+	
+	class ffmpeg_movie
+	{
+		
+		private $_frame_index 	= 1;
+		private $_toolkit 		= null;
+		private $_media_data 	= null;
+		private $_php_reader 	= null;
+		private $_path_to_media = null;
+		private $_tmp_directory = null;
+		
+		/**
+		 * Class Constructor
+		 * @param string $path_to_media The path to the media file you want to use.
+		 * @param string $persistent (not used in this class - but exists to emulate the ffmpeg-php module)
+		 * @param string $tmp_directory The temp directory to which to work from. (This is only required by this class
+		 * 	and not by ffmpeg-php so some minor hacking of your scripts may need to be done). (remember the trailing slash)
+		 */
+		function __construct($path_to_media, $persistent=false, $tmp_directory='/tmp/')
+		{
+// 			store the media path
+			$this->_path_to_media = $path_to_media;
+			$this->_tmp_directory = $tmp_directory;
+// 			init PHPVideoToolkit class
+			require_once dirname(dirname(dirname(__FILE__))).DS.'phpvideotoolkit.php5.php';
+			$this->_toolkit = new PHPVideoToolkit($tmp_directory);
+			$this->_toolkit->on_error_die = false;
+// 			set the input
+			$this->_toolkit->setInputFile($path_to_media);
+			$this->_media_data = $this->_toolkit->getFileInfo();
+// 			print_r($this->_media_data);
+		}
+		
+		/**
+		 * Access and returns the id3 information using getID3.
+		 * @access private
+		 * @return boolean true if the information was able to be retrieved, false if not
+		 */
+		private function _getPHPReader()
+		{
+			if($this->_php_reader === null)
+			{
+				$this->_php_reader = -1;
+				$php_reader = dirname(__FILE__).DS.'php-reader'.DS.'src'.DS.'ID3v1.php';
+				if(is_file($php_reader))
+				{
+					require_once $php_reader;
+					try 
+					{
+						$this->_php_reader = new ID3v1($this->_path_to_media);
+					} 
+					catch (Exception $e) 
+					{
+						return false;
+					}
+					return true;
+				}
+			}
+			return $this->_php_reader !== -1;
+		}
+		
+		/**
+		 * Return the duration of a movie or audio file in seconds.
+		 * @access public
+		 * @return integer
+		 */
+		public function getDuration()
+		{
+			return $this->_media_data['duration']['seconds'];
+		}
+		
+		/**
+		 * Return the number of frames in a movie or audio file.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameCount()
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['frame_count'] : -1;
+		}
+		
+		/**
+		 * Return the frame rate of a movie in fps.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameRate()
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['frame_rate'] : -1;
+		}
+		
+		/**
+		 * Return the path and name of the movie file or audio file.
+		 * @access public
+		 * @return string
+		 */
+		public function getFilename()
+		{
+			return basename($this->_path_to_media);
+		}
+		
+		/**
+		 * Makes checks and returns the id3 element value.
+		 * @access private
+		 * @return mixed string | -1 
+		 */
+		private function _getPHPReaderElement($element)
+		{
+			if($this->hasAudio())
+			{
+				if($this->_getPHPReader() && isset($this->_php_reader->{$element}))
+				{
+					return $this->_php_reader->{$element};
+				}
+			}
+			return -1;
+		}
+		
+		/**
+		 * Return the comment field from the movie or audio file.
+		 * Returns -1 on failure.
+		 * @access public
+		 * @return mixed array | -1
+		 */
+		public function getComment()
+		{
+			return $this->_getPHPReaderElement('comment');
+		}
+		
+		/**
+		 * Return the title field from the movie or audio file.
+		 * Returns -1 on failure.
+		 * @access public
+		 * @return string
+		 */
+		public function getTitle()
+		{
+			return $this->_getPHPReaderElement('title');
+		}
+		
+		/**
+		 * Return the copyright field from the movie or audio file.
+		 * @access public
+		 * @return string
+		 */
+		public function getCopyright()
+		{
+			return $this->_getPHPReaderElement('copyright');
+		}
+		
+		/**
+		 * Return the author field from the movie or the artist ID3 field from an mp3 file.
+		 * @uses ffmpeg_movie::getArtist();
+		 * @access public
+		 * @return string
+		 */
+		public function getAuthor()
+		{
+			return $this->getArtist();
+		}
+		
+		/**
+		 * Return the artist ID3 field from an mp3 file.
+		 * @access public
+		 * @return string
+		 */
+		public function getArtist()
+		{
+			return $this->_getPHPReaderElement('artist');
+		}
+		
+		/**
+		 * Return the album ID3 field from an mp3 file.
+		 * @access public
+		 * @return string
+		 */
+		public function getAlbum()
+		{
+			return $this->_getPHPReaderElement('album');
+		}
+		
+		/**
+		 * Return the genre ID3 field from an mp3 file.
+		 * @access public
+		 * @return string
+		 */
+		public function getGenre()
+		{
+			return $this->_getPHPReaderElement('genre');
+		}
+		
+		/**
+		 * Return the track ID3 field from an mp3 file.
+		 * @access public
+		 * @return integer
+		 */
+		public function getTrackNumber()
+		{
+			return $this->_getPHPReaderElement('track');
+		}
+		
+		/**
+		 * Return the year ID3 field from an mp3 file.
+		 * @access public
+		 * @return integer
+		 */
+		public function getYear()
+		{
+			return $this->_getPHPReaderElement('year');
+		}
+		
+		/**
+		 * Return the height of the movie in pixels.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameHeight()
+		{
+			return $this->hasVideo() && isset($this->_media_data['video']['dimensions']) ? $this->_media_data['video']['dimensions']['height'] : -1;
+		}
+		
+		/**
+		 * Return the width of the movie in pixels.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameWidth()
+		{
+			return $this->hasVideo() && isset($this->_media_data['video']['dimensions']) ? $this->_media_data['video']['dimensions']['width'] : -1;
+		}
+		
+		/**
+		 * Return the pixel format of the movie.
+		 * @access public
+		 * @return mixed string | -1
+		 */
+		public function getPixelFormat()
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['pixel_format'] : -1;
+		}
+		
+		/**
+		 * Return the pixel aspect ratio of the movie
+		 * @access public
+		 * @return integer
+		 */
+		public function getPixelAspectRatio()
+		{
+			return -1; 
+		}
+		
+		/**
+		 * Return the bit rate of the movie or audio file in bits per second.
+		 * @access public
+		 * @return integer
+		 */
+		public function getBitRate()
+		{
+			return isset($this->_media_data['bitrate']) ? $this->_media_data['bitrate'] : -1;
+		}
+		
+		/**
+		 * Return the bit rate of the video in bits per second.
+		 * NOTE: This only works for files with constant bit rate.
+		 * @access public
+		 * @return integer
+		 */
+		public function getVideoBitRate()
+		{
+			return $this->hasVideo() && isset($this->_media_data['video']['bitrate']) ? $this->_media_data['video']['bitrate'] : -1;
+		}
+		
+		/**
+		 * Return the audio bit rate of the media file in bits per second.
+		 * @access public
+		 * @return integer
+		 */
+		public function getAudioBitRate()
+		{
+			return $this->hasAudio() && isset($this->_media_data['audio']['bitrate']) ? $this->_media_data['audio']['bitrate'] : -1;
+		}
+		
+		/**
+		 * Return the audio sample rate of the media file in bits per second.
+		 * @access public
+		 * @return integer
+		 */
+		public function getAudioSampleRate()
+		{
+			return $this->hasAudio() && isset($this->_media_data['audio']['sample_rate']) ? $this->_media_data['audio']['sample_rate'] : -1;
+		}
+		
+		/**
+		 * Return the name of the video codec used to encode this movie as a string.
+		 * @access public
+		 * @param boolean $return_all If true it will return all audio codecs found.
+		 * @return mixed string | array
+		 */
+		public function getVideoCodec($return_all=false)
+		{
+			return $this->hasVideo() ? $this->_media_data['video']['codec'] : -1;
+		}
+		
+		/**
+		 * Return the name of the audio codec used to encode this movie as a string.
+		 * @access public
+		 * @param boolean $return_all If true it will return all audio codecs found.
+		 * @return mixed string | array
+		 */
+		public function getAudioCodec()
+		{
+			return $this->hasAudio() ? $this->_media_data['audio']['codec'] : -1;
+		}
+		
+		/**
+		 * Return the number of audio channels in this movie as an integer.
+		 * @access public
+		 * @return integer
+		 */
+		public function getAudioChannels()
+		{
+			if($this->hasAudio())
+			{
+				if($this->_getPHPReader() && isset($this->_getid3_data['audio']) && isset($this->_getid3_data['audio']['channels']))
+				{
+					return $this->_getid3_data['audio']['channels'];
+				}
+				return 1;
+			}
+			return 0;
+		}
+		
+		/**
+		 * Return boolean value indicating whether the movie has an audio stream.
+		 * @access public
+		 * @return boolean
+		 */
+		public function hasAudio()
+		{
+			return isset($this->_media_data['audio']);
+		}
+		
+		/**
+		 * Return boolean value indicating whether the movie has a video stream.
+		 * @access public
+		 * @return boolean
+		 */
+		public function hasVideo()
+		{
+			return isset($this->_media_data['video']);
+		}
+		
+		/**
+		 * Returns a frame from the movie as an ffmpeg_frame object. 
+		 * Returns false if the frame was not found.
+		 * @access public
+		 * @return mixed boolean | ffmpeg_frame
+		 */
+		public function getFrame($frame_number=false)
+		{
+			if(!$this->hasVideo())
+			{
+				return false;
+			}
+			$this->_toolkit->reset(true);
+			require_once dirname(__FILE__).DS.'ffmpeg_frame.php';
+			if(!$frame_number)
+			{
+				$frame_number = $this->_frame_index;
+				$this->_frame_index += 1;
+			}
+			else
+			{
+				$this->_frame_index = $frame_number;
+			}
+// 			check the frame required exists in the video
+			if($frame_number > $this->getFrameCount())
+			{
+				return false;
+			}
+// 			work out the exact frame to take
+			$frame_rate = $this->getFrameRate();
+// 			generate a unique name
+			$tmp_name	= $this->_toolkit->unique().'-%index.jpg';
+// 			extract the frame
+// 			print_r(array($frame_number, $frame_rate, '%ft'));
+			$this->_toolkit->extractFrame($frame_number, $frame_rate, '%ft');
+			$this->_toolkit->setOutput($this->_tmp_directory, $tmp_name, PHPVideoToolkit::OVERWRITE_EXISTING);
+			$result = $this->_toolkit->execute(false, true);
+// 			check the image has been outputted
+// 			print_r(array($this->_toolkit->getLastError(), $this->_toolkit->getLastCommand()));
+// 			print_r(array($this->_toolkit->getLastCommand()));
+// 			print_r(array($tmp_name, $this->_toolkit->getLastOutput()));
+			if($result !== PHPVideoToolkit::RESULT_OK)
+			{
+				return false;
+			}
+// 			load the frame into gd
+			$temp_output = array_shift(array_flip($this->_toolkit->getLastOutput()));
+			$gd_img = imagecreatefromjpeg($temp_output);
+// 			delete the temp image
+			unlink($temp_output);
+// 			return the ffmpeg frame instance
+			$ffmpeg_frame_time = $this->_toolkit->formatTimecode($frame_number, '%ft', '%hh:%mm:%ss.%ms', $frame_rate);
+			return new ffmpeg_frame($gd_img, $ffmpeg_frame_time);
+		}
+		
+		/**
+		 * Note; this doesn't behave exactly as ffmpeg_movie, this will get the first frame
+		 * of the next second in the movie.
+		 * Returns the next key frame from the movie as an ffmpeg_frame object. 
+		 * Returns false if the frame was not found.
+		 * @uses ffmpeg_movie::getFrame();
+		 * @access public
+		 * @return mixed boolean | ffmpeg_frame
+		 */
+		public function getNextKeyFrame()
+		{
+			$frame_rate 	= $this->getFrameRate();
+// 			work out the next frame
+			$current_second = floor($frame_number/$frame_rate);
+			$excess			= $frame_number-($seconds * $frame_rate);
+			$frames_to_next = $frame_rate-$excess;
+			$this->_frame_index += $frames_to_next;
+// 			get the frame
+			return $this->getFrame();
+		}
+		
+		/**
+		 * Return the current frame index.
+		 * @access public
+		 * @return integer
+		 */
+		public function getFrameNumber()
+		{
+			return $this->_frame_index;
+		}
+		
+	}
+	
\ No newline at end of file